package fei.zhou.userservice.business.service;

import fei.zhou.userservice.business.bean.User;
import org.springframework.stereotype.Service;

@Service
public interface UserService {
    
    /**
     * 根据主键查询用户
     * 
     * @param id 用户id
     * @return 用户
     */
    User queryById(Long id);
}
